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DR. THOMAS JAY NEILSON M.D.
NPI 1174549034
Internal Medicine in Jacksonville, FL

Active since July 14, 2006PECOS Enrolled
500 WATER ST # J-290, JACKSONVILLE, FL 32202(904) 359-7645(904) 359-3313 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Thomas Jay Neilson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS JAY NEILSON M.D. (NPI 1174549034) is an individual internal medicine provider in Jacksonville, Florida, licensed in Florida (ME82070) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174549034
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS JAY NEILSONCredential: M.D.
Location Address500 WATER ST # J-290Jacksonville, FL 32202-4423
Mailing Address500 Water St # J-290Jacksonville, FL 32202-4423 · (904) 359-7645 · Fax (904) 359-3313
Phone(904) 359-7645
Fax(904) 359-3313
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1174549034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME82070
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License ME82070 (FL)
500 WATER ST # J-290, Jacksonville, FL 32202
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Jay Neilson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Neilson's NPI number?

The NPI number for Thomas Neilson is 1174549034. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Thomas Neilson located?

Thomas Neilson practices at 500 Water St # J-290, Jacksonville, FL 32202. The listed phone number is (904) 359-7645.

What is Thomas Neilson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Neilson enrolled in Medicare?

Yes. Thomas Neilson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Neilson was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.